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1 Unit 1: Pure Mathematics A

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Question 194

It is given that n n\,n is an integer.

One of the expressions below is even for every value of nnn.

Identify this expression.

Tick one box.

A

2n+12n + 12n+1

B

n2+nn^2 + nn2+n

C

n2+1n^2 + 1n2+1

D

3n3n3n

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1 Unit 1: Pure Mathematics A Questions

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